i would come back, david helvarg . -- when we come back, david helvarg. there are two words you will not hear those meteorologist say very much, and they are "climate change" they are "global warming." we will talk about the connection. stay with us. ♪ [music break] amy: "rainy day in houston" by the famous houston blues musician lightin hopkins. this is democracy now!, democracynow.org, the war and peace report. i'm amy goodman with renee feltz. she is a houston native. look ate continue to the catastrophic storm hitting houston, texas, the nation's fourth-largest city. the crisis began on friday when hurricane harvey made landfall and rock work, texas, the less powerful hurricane to hit the state in 50 years. much of the damage has been called by the massive rainfall. parts of texas have received 30 inches of rain and could top 50 inches. amy: we're joined from san diego, california, by david the executive director , of blue frontier, an ocean conservation organization. can you talk about the connection between hurricane harvey, downgraded to a tropical